The problem that the slot function does not respond is the use of signal slots between QT midline.

Source: Internet
Author: User
Class Mythread:public qthread{signals:    void Updatesig (MyData);} void Mythread::run () {    emit updatesig (MyData);} Class Mainwid:public Mainwindow{mythread *thread;public slots:    void Updateslot (MyData);} Mainwid:mainwid () {    thread=new myThread;    Qregistermetatype<mydata> ("MyData");//Custom data types need to be registered with    Connect (thread,signal (Updatesig (MyData)), this, SLOT (Updateslot (MyData)));}

  

The problem that the slot function does not respond is the use of signal slots between QT midline.

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